Dee layout, z positions and envelope
 VPT sorting/perimeter xtals

          

 

 

 

 

 

 

 

 

           Pro-E Dee (click for full view)                                 Positions of Dees in CMS

2008
Data summaries of VPT, Crystal, SC and location on Dee, 17.9.08 link
Envelope details and protection panels for Jean Bos, J Hill 15.5 txt pdf
td-1138-183.jpg (189802 bytes)
 Patrick Ingenito's original envelope dwg from 2.12.1999, reference by K Bell 15.5 txt pdf
 Envelope drawing from B Smith dated 12.12.1999, referenced by Mario Scandurra 14.5 pdf
Envelope drawing from A Surkov dated 07.03.2000, referenced by John Hill 14.5 pdf
 Protection panel bracket type A, type B, and protection panel, plus associated ProE views, J Noviss 12.5 pdfA pdfB pdfPP
td-1029-700_1.jpg (60297 bytes) td-1029-700_2.jpg (66326 bytes) td-1029-700_3.jpg (64339 bytes)
z-values for EE ring flange etc, field off, before shim reduction by 5mm, J Hill 12.5 pdf txt
Views of protection panels on Dee1, M Scandurra 9.5
 DSC08119.JPG (1292260 bytes) DSC08120.JPG (1325058 bytes) DSC08123.JPG (1075771 bytes)

Prior to 2008
Sorting of xtals according to FNUF on the Dees, D Cockerill 18.6.07 ppt

             dee1.gif (20251 bytes)

SC type

Crystals
per SC

 SCs
per Dee

Crystals
per Dee
5x5 standard SCs  25 2 x 69 = 138 3450
2x5 partial SCs, outer  10 2 x 6 = 12 120
4x5 partial SCs, inner  20 2 x 2 = 4 80
3-2-1 partial SCs, inner  6 2 x 1 = 2 12
Totals/Dee 3662
Total, 2 Endcaps 14648
One quadrant of SC corners: introduction
One quadrant of SC corners: data

                                            
                                               EE Z positions, field off (click on picture to get pdf)

Item

 Distance from I.P. (mm)
FIELD OFF
 Subtract 16 mm,
 measured with CMS at 4T,
 Aug 06, for FIELD ON
   
EE envelope 3170
   
Start of screen 3172
End of screen 3174
   
SC corner nearest IP 3179
Crystal corner nearest IP 3185
   
Backplate starts 3590
Backplate ends 3650
   
EE ends 3650 + 341 for  service volume 3991
   
HE starts (megatile front) 4002.5

z position drawings, A Surkov, 31.5.05 pdf dwg
EE Z-position for OSCAR, A Nikitenko, 14.2.02 txt
EE Z-position for ORCA, D Barney, C Seez, 15.1.02 txt1  txt2
EE Z-position for CMSIM, Field ON, A Nikitenko, 15.1.02 txt
EE Front screen for CMSIM, A Nikitenko, 11.1.02 txt
Files produced by Bruce Kennedy for CMSIM, including screen, 11.1.02 txt dequad.f ec_backplate.f ec_frontplate.f ecal.tz
Further discussion, EE z values, A Nikitenko, 10.1.2002 txt
Discussion of EE z values, C Seez, 10.1.2002 txt

   Perimeter Crystal count

               

 

Crystals per quadrant

Crystals per EE
Outer perimeter, partial SCs, 6x10              60

480
Inner perimeter,  partial SCs   2*20 + 6  46 368
Total 106 848
     
Additional crystals, tower 17, eta<1.57
3x5 + 4x5 + 1x5 + 1x5 + 17 + 13 + 9 + 10 + 17 + 1x5 + 1x5 + 3x5 + 2x5

146

 1168
Additional crystals, towers 27&28, eta>2.5
3x5 + 8 + 1x25 + 12 + 1x25 + 8 + 3x5

108

864
Total

254

2032
     
Grand total, partials + h<1.57 + h>2.5  

2880